Search found 21 matches

by Tinkerer
Sun Jan 09, 2005 10:56 am
Forum: General Discussion
Topic: Sonar in a chip? I think I need a PIC programer....
Replies: 26
Views: 7278

Re: Sonar in a chip? I think I need a PIC programer....

Ultrasonic won't work in my application.
by Tinkerer
Sun Jan 09, 2005 7:12 am
Forum: General Discussion
Topic: Sonar in a chip? I think I need a PIC programer....
Replies: 26
Views: 7278

Re: Sonar in a chip? I think I need a PIC programer....

PS the Basic Stamp and software part might be just what I need, tho. I just wanted to clarify that! Thanks.
by Tinkerer
Sun Jan 09, 2005 7:05 am
Forum: General Discussion
Topic: Sonar in a chip? I think I need a PIC programer....
Replies: 26
Views: 7278

Re: Sonar in a chip? I think I need a PIC programer....

Thanks but that's not what I need. The transmitter/reciever itself IS the project. I'm building the instrument, I just need the computer that will capture and interpret the sound.
by Tinkerer
Sat Jan 08, 2005 6:05 pm
Forum: General Discussion
Topic: Sonar in a chip? I think I need a PIC programer....
Replies: 26
Views: 7278

Re: Sonar in a chip? I think I need a PIC programer....

The device only needs to record time and amplitude. Not sure of the ideal sampling rate but I guess 5khz would do.
by Tinkerer
Sat Jan 08, 2005 5:52 pm
Forum: General Discussion
Topic: Sonar in a chip? I think I need a PIC programer....
Replies: 26
Views: 7278

Sonar in a chip? I think I need a PIC programer....

I need to generate a chirp or click, record a couple of seconds with timestamps, pick the peaks out of the recording to do some math on the time to calculate distances, then transmit the result. Is there an existing chipset that can do this? Do I need to have a custom program written for a PIC? For ...
by Tinkerer
Sat Jan 08, 2005 5:29 pm
Forum: General Discussion
Topic: Laser for CNC router?
Replies: 16
Views: 4822

Re: Laser for CNC router?

I had a business running CNC CO2 lasers for several years, doing much like you want to do. I can tell you pretty much anything you want to know about 'em. There are small CO2 lasers available that are extreemly dependable and cheap to operate. If you just want to cut plastics, thin wood, leather and...